WO2019174794A1 - Pneumatique de véhicule - Google Patents

Pneumatique de véhicule Download PDF

Info

Publication number
WO2019174794A1
WO2019174794A1 PCT/EP2019/050514 EP2019050514W WO2019174794A1 WO 2019174794 A1 WO2019174794 A1 WO 2019174794A1 EP 2019050514 W EP2019050514 W EP 2019050514W WO 2019174794 A1 WO2019174794 A1 WO 2019174794A1
Authority
WO
WIPO (PCT)
Prior art keywords
tread
groove
grooves
vehicle tire
pneumatic vehicle
Prior art date
Application number
PCT/EP2019/050514
Other languages
German (de)
English (en)
Inventor
Ahmet Özüduru
Ralf Schütte
Bernhard Roeger
Original Assignee
Continental Reifen Deutschland Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Continental Reifen Deutschland Gmbh filed Critical Continental Reifen Deutschland Gmbh
Priority to CN201980019306.2A priority Critical patent/CN111867855B/zh
Priority to EP19705284.8A priority patent/EP3765311B1/fr
Priority to US16/980,861 priority patent/US11007824B2/en
Publication of WO2019174794A1 publication Critical patent/WO2019174794A1/fr

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60CVEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C11/00Tyre tread bands; Tread patterns; Anti-skid inserts
    • B60C11/03Tread patterns
    • B60C11/0306Patterns comprising block rows or discontinuous ribs
    • B60C11/0309Patterns comprising block rows or discontinuous ribs further characterised by the groove cross-section
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60CVEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C11/00Tyre tread bands; Tread patterns; Anti-skid inserts
    • B60C11/03Tread patterns
    • B60C11/13Tread patterns characterised by the groove cross-section, e.g. for buttressing or preventing stone-trapping
    • B60C11/1307Tread patterns characterised by the groove cross-section, e.g. for buttressing or preventing stone-trapping with special features of the groove walls
    • B60C11/1323Tread patterns characterised by the groove cross-section, e.g. for buttressing or preventing stone-trapping with special features of the groove walls asymmetric
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60CVEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C11/00Tyre tread bands; Tread patterns; Anti-skid inserts
    • B60C11/03Tread patterns
    • B60C11/13Tread patterns characterised by the groove cross-section, e.g. for buttressing or preventing stone-trapping
    • B60C11/1353Tread patterns characterised by the groove cross-section, e.g. for buttressing or preventing stone-trapping with special features of the groove bottom
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60CVEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C11/00Tyre tread bands; Tread patterns; Anti-skid inserts
    • B60C11/03Tread patterns
    • B60C2011/0337Tread patterns characterised by particular design features of the pattern
    • B60C2011/0339Grooves
    • B60C2011/0341Circumferential grooves
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60CVEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C11/00Tyre tread bands; Tread patterns; Anti-skid inserts
    • B60C11/03Tread patterns
    • B60C2011/0337Tread patterns characterised by particular design features of the pattern
    • B60C2011/0339Grooves
    • B60C2011/0341Circumferential grooves
    • B60C2011/0353Circumferential grooves characterised by width
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60CVEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C11/00Tyre tread bands; Tread patterns; Anti-skid inserts
    • B60C11/03Tread patterns
    • B60C2011/0337Tread patterns characterised by particular design features of the pattern
    • B60C2011/0339Grooves
    • B60C2011/0341Circumferential grooves
    • B60C2011/0355Circumferential grooves characterised by depth
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60CVEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C11/00Tyre tread bands; Tread patterns; Anti-skid inserts
    • B60C11/03Tread patterns
    • B60C2011/0337Tread patterns characterised by particular design features of the pattern
    • B60C2011/0339Grooves
    • B60C2011/0358Lateral grooves, i.e. having an angle of 45 to 90 degees to the equatorial plane
    • B60C2011/0362Shallow grooves, i.e. having a depth of less than 50% of other grooves
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60CVEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C11/00Tyre tread bands; Tread patterns; Anti-skid inserts
    • B60C11/03Tread patterns
    • B60C2011/0337Tread patterns characterised by particular design features of the pattern
    • B60C2011/0339Grooves
    • B60C2011/0358Lateral grooves, i.e. having an angle of 45 to 90 degees to the equatorial plane
    • B60C2011/0365Lateral grooves, i.e. having an angle of 45 to 90 degees to the equatorial plane characterised by width
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60CVEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C11/00Tyre tread bands; Tread patterns; Anti-skid inserts
    • B60C11/03Tread patterns
    • B60C2011/0337Tread patterns characterised by particular design features of the pattern
    • B60C2011/0339Grooves
    • B60C2011/0358Lateral grooves, i.e. having an angle of 45 to 90 degees to the equatorial plane
    • B60C2011/0367Lateral grooves, i.e. having an angle of 45 to 90 degees to the equatorial plane characterised by depth
    • B60C2011/0369Lateral grooves, i.e. having an angle of 45 to 90 degees to the equatorial plane characterised by depth with varying depth of the groove
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60CVEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C11/00Tyre tread bands; Tread patterns; Anti-skid inserts
    • B60C11/03Tread patterns
    • B60C2011/0337Tread patterns characterised by particular design features of the pattern
    • B60C2011/0339Grooves
    • B60C2011/0381Blind or isolated grooves
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60CVEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C11/00Tyre tread bands; Tread patterns; Anti-skid inserts
    • B60C11/03Tread patterns
    • B60C2011/0337Tread patterns characterised by particular design features of the pattern
    • B60C2011/0386Continuous ribs
    • B60C2011/039Continuous ribs provided at the shoulder portion
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60CVEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C11/00Tyre tread bands; Tread patterns; Anti-skid inserts
    • B60C11/03Tread patterns
    • B60C11/13Tread patterns characterised by the groove cross-section, e.g. for buttressing or preventing stone-trapping
    • B60C11/1307Tread patterns characterised by the groove cross-section, e.g. for buttressing or preventing stone-trapping with special features of the groove walls
    • B60C2011/133Tread patterns characterised by the groove cross-section, e.g. for buttressing or preventing stone-trapping with special features of the groove walls comprising recesses
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B60VEHICLES IN GENERAL
    • B60CVEHICLE TYRES; TYRE INFLATION; TYRE CHANGING; CONNECTING VALVES TO INFLATABLE ELASTIC BODIES IN GENERAL; DEVICES OR ARRANGEMENTS RELATED TO TYRES
    • B60C11/00Tyre tread bands; Tread patterns; Anti-skid inserts
    • B60C11/03Tread patterns
    • B60C11/13Tread patterns characterised by the groove cross-section, e.g. for buttressing or preventing stone-trapping
    • B60C11/1353Tread patterns characterised by the groove cross-section, e.g. for buttressing or preventing stone-trapping with special features of the groove bottom
    • B60C2011/1361Tread patterns characterised by the groove cross-section, e.g. for buttressing or preventing stone-trapping with special features of the groove bottom with protrusions extending from the groove bottom

Definitions

  • the invention relates to a pneumatic vehicle tire having a tread with circumferential grooves and at least one circumferentially circumferential rib profile, in which grooves are formed, which open at one of the groove flanks of the profile rib laterally bounding circumferential groove in this, wherein the groove flanks of the circumferential groove below
  • Broadening of the circumferential groove towards the tread periphery extend at an angle of 12 ° to 17 ° to the radial direction.
  • a pneumatic vehicle tire having such a tread is known from EP 2 239 153 A1.
  • the tread has a number of tread ribs separated by circumferential grooves.
  • On the shoulder side profile ribs are provided which are traversed by transverse grooves, which open with a short, a reduced depth portion in the tread the inside of the tread rib limiting circumferential groove to the
  • Tread rib to give better stability.
  • a similarly designed tread has the vehicle pneumatic tires known from EP 3 037 282 A1.
  • Tread periphery are widened by a chamfer, which respectively at the
  • the inside of the channel on the inside of the trough ensures a quiet rolling noise and helps drain water into the circumferential groove on wet surfaces.
  • tread ribs depending on the position in the tread, have a higher rigidity than other tread ribs. This applies, for example, to the shoulder-side profile ribs, which should have a relatively high rigidity, in order to ensure a good lateral force build-up.
  • the negative portion in this tread rib is kept low. The small negative portion is disadvantageous for the water drainage in the transverse direction of the tread.
  • profile ribs therefore have to ensure the drainage mostly narrow grooves or cuts, which are oriented in the transverse direction, whereby, however, the rigidity of the tread ribs is reduced and also develop deficiencies in the rolling noise in the 1000 Hz range.
  • the depth and the width of the cuts or narrow grooves play a certain role. It is common that in profile ribs a compromise in the design with
  • Sections and / or narrow grooves is taken so that either the stiffness and the rolling noise or drainage are at the desired level.
  • the invention has for its object to improve a pneumatic vehicle tire of the type mentioned so that the mentioned conflict of objectives between stiffness and noise reduction on the one hand and the drainage capacity on the other hand is much better solved than before.
  • the grooves extend at an angle of 45 ° ⁇ 20 ° to the axial direction, end within the tread rib, have a maximum depth of 3.5 mm and each in a local, formed on the groove flank, reach the tread periphery reaching, concave rounded concave along the groove flank, which in particular parallel to the
  • Tread periphery extending bottom, which is located in a radially determined distance of 0.5 mm to 2.0 mm from the lowest point of the groove bottom of the circumferential groove.
  • the shallow depth of the grooves is particularly favorable for a high rigidity of the tread rib.
  • the discharge path becomes the circumferential groove shortened, whereby an improved and accelerated water drainage from the grooves can be found in the circumferential groove.
  • the round design of the recesses avoids the emergence of unfavorable water vortex.
  • the small depth of the grooves and their relatively large inclination to the axial direction provides a largely "closed" tread rib, whereby the noise emission of the tire is reduced to the outside in the 1,000 Hz range.
  • Indentations and their bottom, in plan view of the tread a D-like shape on. Particularly favorable is also an embodiment in which the indentation and its bottom in plan view of the tread have a circular segment-like shape, wherein the circular segment is at most a semicircle.
  • the concavely rounded boundary wall of the recess extending between the bottom and the tread periphery is inclined to the radial direction at an angle of 2 ° to 5 °. This inclination gives the indentation a total of a funnel-like shape, which also supports the discharge of water from the grooves in the circumferential groove.
  • junction areas of the grooves are preferably located on the furthest groove flanks on the inside regions of the indentations, so that the aforementioned advantageous effects of the indentations on the water drainage can fully come into their own.
  • the most inwardly located point of the indentations on the tread periphery at the level of the other peripheral edge of the groove flank of the circumferential groove or against the position of the other peripheral edge of the groove flank is up to 2 mm within the tread rib.
  • Particularly balanced properties in terms of stiffness, noise reduction and water drainage capacity of the grooves are supported by preferred embodiments of the grooves.
  • the grooves have a U-shaped or a V-shaped cross section, further, if the grooves have a depth of at least 1.5 mm and at the tread periphery a maximum width of 2.0 mm to 5 , 0 mm own.
  • Particularly preferred in this context is an embodiment in which the grooves have a width and a depth which, starting at their ends in the tread rib, become continuously larger in the direction of their mouth regions in the indentations.
  • an incision in each case adjoins the end of the grooves located in the profiled rib.
  • Such incisions may, for example, open into a circumferential groove which bounds the tread rib on its second side or, if the tread rib is a tread rib extending on the shoulder side, over the ground contact surface of the tread rib
  • profile ribs which are shoulder-side profile ribs, since such ribs should have a particularly high rigidity to ensure good lateral force buildup when cornering.
  • 1 is a plan view of a peripheral portion in the shoulder-side region of a tread of a pneumatic vehicle tire
  • Fig. 2 is a sectional view taken along the line II-II of Fig. 1 and
  • Car pneumatic tires constructed in accordance with the invention are in particular radial type pneumatic vehicle tires for passenger cars, vans and fight trucks.
  • Fig. 1 shows a plan view - development in the plane - a shoulder-side region of a FaufstMails with a shoulder-side tread rib 1 and one of these
  • Tread inside limiting circumferential groove 2 which, as the sectional view in Fig. 2 shows, has a depth PT, which provided for the respective tire
  • the dashed Finie 1 in Fig. 1 symbolizes the one side edge of the ground contact patch of the tire.
  • the circumferential groove 2 runs straight in the circumferential direction, but it may also have a zigzag or wavy course, as is customary with circumferential grooves.
  • Profile block rows, circumferential grooves and the like include.
  • 1 transverse grooves 3 are formed in the tread rib inside the tread rib 1 inside a distance of 3.0 mm to 7.0 mm in front of the circumferential groove 2 ends, at an angle ⁇ 45 ° to the axial direction and otherwise in known manner on the ground contact surface of the
  • Tread rib 1 corresponds, ends.
  • the grooves 4 extend relative to the axial direction at an angle a, which is 45 ° +/- 20 °, and have a slope relative to the axial direction, which coincides with that of the transverse grooves 3.
  • the grooves 4 are substantially parallel to each other, which means that within a FaufstMails the angle a can deviate from each other by up to 10 °.
  • each groove 4 has a depth which, starting at its closed end in the direction of the junction area in the circumferential groove 2 is continuously larger, the groove 4 at its end in the tread rib 1 a depth ti of at least 1.5 mm and at their junction in the Circumferential groove 2 has a depth t 2 , the highest is 3.5 mm and in particular by 10% to 20% greater than the depth ti.
  • the cross-section of the groove 4 is V-shaped or U-shaped, its width b 2 increases, starting at its end in the tread rib 1 in the direction of the junction area in the circumferential groove 2 and 2.5 mm to 5.0 mm at the junction ,
  • the grooves 4 open at local indentations 7 of a groove flank 5 in the
  • Each indentation 7 has in plan view of the tread a D-like shape, with a top view in D-like bottom 7a and along the groove flank 5 extending, rounded overall boundary wall 7b, which, as shown in FIG. 3, at an angle g is tilted from 2 ° to 5 ° to the radial direction, so that the indentation 7 widens somewhat in the direction of the tread periphery.
  • the grooves 4 open into the areas located on the far groove inner side of the
  • each indentation 7 extends parallel to the tread periphery, is slightly raised in level with respect to the groove bottom 6 and has a radial distance c of 0.5 mm to 2.0 mm at the lowest point of the groove bottom 6.
  • the straight edge of the bottom 7a extends parallel to the peripheral edge of the circumferential groove on the tread periphery and has a length L of 3.0 mm to 7.0 mm.
  • the indentation 7 ends at the peripheral edge 5 a of the groove flank 5 or projects into the tread rib 1 by up to 2.0 mm.
  • the indentations 7 may also have a different rounded shape in plan view, for example the shape of a circle segment, at most a semicircle.
  • the grooves 4 may be chamfered along at least one edge, preferably along both edges, at the finned strip periphery in a known manner.
  • a narrow, approximately 0.4 mm to 1.0 mm wide, not shown incision in the tread rib 1 each connect, which preferably runs substantially parallel to the transverse grooves 3 and over the ground contact surface and the FaufstMailrand 1 addition .
  • the edge region of the indentation 7 on the finned strip periphery can be rounded with a small radius or provided with a chamfer.
  • the indentations 7 on the groove flank 5 of the circumferential groove 2 shorten the outflow path for water, so that inventive strips have an improved water drainage, wherein the round shape of the indentations 7 supports the drainage effect.
  • the shoulder-side tread rib 1 Due to the shallow depth of the grooves 4, the shoulder-side tread rib 1 remains largely "closed", whereby the noise radiation of the tire in the tire / road noise in the range of 1,000 Hz is low.
  • the extension of the grooves 4 relative to the axial direction at an angle of 45 ° +/- 20 ° also contributes to a reduction of noise emission to the outside.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Tires In General (AREA)

Abstract

L'invention concerne un pneumatique de véhicule comprenant une bande de roulement pourvue de rainures périphériques (2) et d'au moins une nervure profilée (1) s'étendant en périphérie dans la direction périphérique, dans laquelle sont réalisées des rainures (4), qui débouchent sur un flanc (5) de rainure d'une rainure périphérique (2) délimitant la nervure profilée (1) dans ladite rainure périphérique. Les flancs (5) de la rainure périphérique (2) s'étendent en élargissant la rainure périphérique (2) en direction de la périphérie de la bande de roulement selon un angle (ß) allant de 12° à 17° par rapport à la direction radiale. Les rainures (4) s'étendent selon un angle (a) allant de 45° ± 20° par rapport à la direction axiale, se terminent à l'intérieur de la nervure profilée (1), comportent une profondeur maximale (t2) de 3,5 mm et débouchent respectivement dans une indentation (7) locale, réalisée sur le flanc (5) de rainure, atteignant la périphérie de la bande de roulement, arrondie de manière concave le long du flanc (5) de rainure. L'indentation comporte un fond (7a) s'étendant en particulier de manière parallèle par rapport à la périphérie de la bande de roulement, lequel se trouve à une distance (c) déterminée dans la direction radiale allant de 0,5 mm à 2,0 mm par rapport au point le plus bas de la base (6) de la rainure périphérique (2).
PCT/EP2019/050514 2018-03-15 2019-01-10 Pneumatique de véhicule WO2019174794A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
CN201980019306.2A CN111867855B (zh) 2018-03-15 2019-01-10 车辆充气轮胎
EP19705284.8A EP3765311B1 (fr) 2018-03-15 2019-01-10 Pneumatique de véhicule
US16/980,861 US11007824B2 (en) 2018-03-15 2019-01-10 Pneumatic vehicle tire

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102018203963.1 2018-03-15
DE102018203963.1A DE102018203963A1 (de) 2018-03-15 2018-03-15 Fahrzeugluftreifen

Publications (1)

Publication Number Publication Date
WO2019174794A1 true WO2019174794A1 (fr) 2019-09-19

Family

ID=65433632

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2019/050514 WO2019174794A1 (fr) 2018-03-15 2019-01-10 Pneumatique de véhicule

Country Status (5)

Country Link
US (1) US11007824B2 (fr)
EP (1) EP3765311B1 (fr)
CN (1) CN111867855B (fr)
DE (1) DE102018203963A1 (fr)
WO (1) WO2019174794A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2021172289A (ja) * 2020-04-28 2021-11-01 Toyo Tire株式会社 空気入りタイヤ

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02169306A (ja) * 1989-03-18 1990-06-29 Bridgestone Corp 重荷重用空気入りラジアルタイヤ
JP2006232012A (ja) * 2005-02-23 2006-09-07 Yokohama Rubber Co Ltd:The 空気入りタイヤ
EP2239153A1 (fr) 2009-04-06 2010-10-13 Sumitomo Rubber Industries, Ltd. Pneu
EP2489526A2 (fr) * 2011-02-18 2012-08-22 Continental Reifen Deutschland GmbH Profil de bande de roulement d'un bandage pneumatique de véhicule
JP2015221650A (ja) * 2014-05-23 2015-12-10 住友ゴム工業株式会社 空気入りタイヤ
EP3037282A1 (fr) 2013-09-11 2016-06-29 Sumitomo Rubber Industries, Ltd. Pneu
DE102015202613A1 (de) 2015-02-13 2016-08-18 Continental Reifen Deutschland Gmbh Fahrzeugluftreifen
DE102016213334A1 (de) * 2016-07-21 2018-01-25 Continental Reifen Deutschland Gmbh Fahrzeugluftreifen

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Publication number Priority date Publication date Assignee Title
JP4189980B2 (ja) * 1998-11-27 2008-12-03 株式会社ブリヂストン 空気入りタイヤ
JP4542858B2 (ja) * 2004-04-15 2010-09-15 東洋ゴム工業株式会社 重荷重用空気入りタイヤ
JP4189008B2 (ja) * 2007-02-26 2008-12-03 横浜ゴム株式会社 空気入りタイヤ
JP5513065B2 (ja) * 2009-10-16 2014-06-04 株式会社ブリヂストン タイヤ
JP5763563B2 (ja) * 2012-01-30 2015-08-12 住友ゴム工業株式会社 表面改質方法及び表面改質弾性体
CN103978845B (zh) * 2014-05-08 2016-08-24 厦门正新橡胶工业有限公司 一种轿车备胎胎面花纹结构

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02169306A (ja) * 1989-03-18 1990-06-29 Bridgestone Corp 重荷重用空気入りラジアルタイヤ
JP2006232012A (ja) * 2005-02-23 2006-09-07 Yokohama Rubber Co Ltd:The 空気入りタイヤ
EP2239153A1 (fr) 2009-04-06 2010-10-13 Sumitomo Rubber Industries, Ltd. Pneu
EP2489526A2 (fr) * 2011-02-18 2012-08-22 Continental Reifen Deutschland GmbH Profil de bande de roulement d'un bandage pneumatique de véhicule
EP3037282A1 (fr) 2013-09-11 2016-06-29 Sumitomo Rubber Industries, Ltd. Pneu
JP2015221650A (ja) * 2014-05-23 2015-12-10 住友ゴム工業株式会社 空気入りタイヤ
DE102015202613A1 (de) 2015-02-13 2016-08-18 Continental Reifen Deutschland Gmbh Fahrzeugluftreifen
DE102016213334A1 (de) * 2016-07-21 2018-01-25 Continental Reifen Deutschland Gmbh Fahrzeugluftreifen

Also Published As

Publication number Publication date
DE102018203963A1 (de) 2019-09-19
EP3765311B1 (fr) 2021-11-24
US11007824B2 (en) 2021-05-18
EP3765311A1 (fr) 2021-01-20
CN111867855A (zh) 2020-10-30
US20210008929A1 (en) 2021-01-14
CN111867855B (zh) 2022-10-18

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